Snom M900 - Page 52

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v1.02
Admin and Installation Guide M900 Description of Settings
Setting Description
User priority 3-bit value defining user priority. Values are 0 (best eort) and 1 to 7 (lowest
to highest priority). The values can be used to prioritize dierent classes of
trac (voice, video, data, etc.).
Default: 0
Synchronization If enabled, the VLAN ID is automatically synchronized between the base
stations in a multicell chain. They will be automatically rebooted during the
synchronization.
Default: Disabled.
Send LLDP-MED message TBA
Default: Disabled.
Try obtaining VLAN via LLDP-
MED
TBA
Default: Disabled.
DHCP Options
Plug-n-play If enabled: DHCP option 66 is used to automatically provide PBX IP address to
base station.
Default: Disabled.
TCP Options
TCP keep alive interval Default: 120s. The time (in seconds) between individual keepalive probes.
NAT Settings
Enable STUN Default: Disabled. Enable to use STUN.
STUN server Permitted value(s): IPv4 values or URL. Currently only IPv4 is supported.
STUN bindtime determine Default: Disabled.
STUN bindtime guard Time in seconds. Permitted values: Positive integers.
Default: 80.
Enable RPORT Default: Disabled. Enable to use RPORT in SIP messages.
Keep alive time The interval in seconds at which the base station sends a keepalive signal to
the SIP server to maintain NAT bindings. Permitted values: Positive integers.
Default: 90.
SIP/RTP Settings
Use dierent SIP ports If disabled, the local SIP port parameter specifies the source port used for SIP
signaling in the system.
If enabled, the local SIP port parameter specifies the source port used for first
user agent (UA) instance. Succeeding UAs will get succeeding ports.
Default: Disabled.
RTP collision detection Enabled: If two sources have the same SSRC identifier, the second RTP is
discarded.
Disabled: SSRC identifiers are not checked; device accepts all sources.
Default: Enabled.
Always reboot on checksync Enable to reboot base station whenever new configuration is loaded.
Default: Disabled.
Outbound proxy mode Use Always: All outbound calls are sent to outbound proxy.
Only Initial request: Use outbound proxy for initial SIP requests only.
Default: Use Always
Failover SIP timer B TBA
Failover SIP timer F TBA
Local SIP port The source port used for SIP signaling.
Permitted values: Port number default 5060.